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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
I used to keep
Grammar usage guide and real-world examplesUSAGE SUMMARY
"I used to keep" is a completely valid phrase in written English.
You can use it to refer to actions you used to do regularly but no longer do. For example: "I used to keep a journal every morning, but I just don't have the time anymore."
✓ Grammatically correct
News & Media
Formal & Business
Science
Alternative expressions(19)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
60 human-written examples
He added, "I used to keep everything.
News & Media
But it's exactly where I used to keep the phone".
News & Media
I used to keep every card from every show.
News & Media
I used to keep a folder of headlines.
News & Media
When I got press pictures done, I used to keep my mouth shut.
News & Media
I used to keep all my dormitory mates awake from the nightmare.
News & Media
But I absolutely can't remember how I used to keep my glasses safe while I slept.
News & Media
"I used to keep a Mantegna up in the studio just for hope.
News & Media
I used to keep dogs, too, and would course rabbits and hares.
News & Media
"I used to keep my surfboard in my locker," he said.
News & Media
I used to keep a pot of Greek basil growing outside my front door.
News & Media
Expert writing Tips
Best practice
Use "I used to keep" to clearly indicate a past habit or practice that is no longer current. This helps avoid ambiguity and ensures clarity in your writing.
Common error
Avoid using "I used to keep" when describing a current habit. Instead, use the present tense to accurately reflect ongoing actions.
Source & Trust
91%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "I used to keep" functions as a verb phrase indicating a past habit or a state that was true in the past but is no longer the case. It describes actions or conditions that were maintained regularly or continuously for a period of time. Ludwig offers examples to demonstrate its use in context.
Frequent in
News & Media
63%
Formal & Business
15%
Science
12%
Less common in
Encyclopedias
0%
Wiki
0%
Social Media
0%
Ludwig's WRAP-UP
The phrase "I used to keep" is a common and grammatically correct way to describe past habits or states that are no longer true. As Ludwig AI confirms, it is widely used and easily understood. It appears most frequently in news and media contexts, but also sees use in more formal business and scientific writing. To ensure clarity, it's important to use this phrase specifically for past habits and avoid confusing it with current practices. By understanding its function and purpose, writers can effectively convey changes in their experiences and practices over time.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
I would regularly keep
Uses "regularly" to emphasize the frequency of the past action.
I had a habit of keeping
Highlights the repetitive nature of the past action.
It was my practice to keep
Emphasizes the regularity and intentionality of the past action.
I formerly kept
Uses "formerly" to emphasize a more distant past or a more formal tone.
I did keep in the past
Emphasizes that the action happened in the past but does not happen anymore
I had always kept
Uses "always" to indicate that the action was happening for a long time, until the present moment
I previously maintained
Replaces "keep" with "maintained", suggesting a more structured or organized effort.
I at one time kept
Indicates that the action happened in the past, maybe only one time
I once stored
Focuses specifically on the act of storing something in the past.
I am no longer keeping
Focuses on the cessation of the action rather than the past habit itself.
FAQs
How can I use "I used to keep" in a sentence?
Use "I used to keep" to describe a past habit or regular action that you no longer do. For example, "I used to keep a diary when I was younger, but I don't have time for it anymore."
What's the difference between "I used to keep" and "I kept"?
"I used to keep" implies a repeated action or habit in the past, while "I kept" simply indicates that you held or maintained something at some point in the past. For example, "I used to keep my keys on the table" suggests a regular habit, whereas "I kept the letter" simply means you retained possession of it.
What can I say instead of "I used to keep"?
Alternatives include "I formerly kept", "I previously maintained", or "I had a habit of keeping", depending on the specific nuance you want to convey.
Is "I use to keep" grammatically correct?
No, "I use to keep" is grammatically incorrect. The correct form is "I used to keep", with the 'd' indicating past tense.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
91%
Authority and reliability
4.5/5
Expert rating
Real-world application tested